JavaScript libraries
Who left Zepto, and who still runs it
3,587 websites in the top 1M run Zepto, observed directly from the rendered page in the July 2026 crawl.
446
stopped running it that month
40
of those are 11–500 employees
1,990
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Zepto
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
core-js 88%Cloudflare 87%Open Graph 86%HTTP/3 75%Google Font API 68%Google Analytics 55%Lodash 52%Underscore.js 51%Moment.js 51%Facebook Pixel 51%
Share of a 3,000-domain sample of Zepto users that also run each.